diff --git a/generated/google/apis/eventarc_v1beta1.rb b/generated/google/apis/eventarc_v1beta1.rb
index 0626431dd..8e0abf9a4 100644
--- a/generated/google/apis/eventarc_v1beta1.rb
+++ b/generated/google/apis/eventarc_v1beta1.rb
@@ -25,7 +25,7 @@ module Google
     # @see https://cloud.google.com/eventarc
     module EventarcV1beta1
       VERSION = 'V1beta1'
-      REVISION = '20201015'
+      REVISION = '20201023'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/eventarc_v1beta1/classes.rb b/generated/google/apis/eventarc_v1beta1/classes.rb
index d4aaa0549..5aad4100b 100644
--- a/generated/google/apis/eventarc_v1beta1/classes.rb
+++ b/generated/google/apis/eventarc_v1beta1/classes.rb
@@ -188,9 +188,7 @@ module Google
         # @return [String]
         attr_accessor :path
       
-        # Optional. The region the Cloud Run service is deployed in. If not set, the
-        # location of the trigger is used. For triggers in the "global" location,
-        # setting this field is mandatory.
+        # Required. The region the Cloud Run service is deployed in.
         # Corresponds to the JSON property `region`
         # @return [String]
         attr_accessor :region
diff --git a/generated/google/apis/eventarc_v1beta1/synth.metadata b/generated/google/apis/eventarc_v1beta1/synth.metadata
index efe5fc06a..03d8898f0 100644
--- a/generated/google/apis/eventarc_v1beta1/synth.metadata
+++ b/generated/google/apis/eventarc_v1beta1/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "94afd00cdbc676a4223aec34821915c6ba19c6aa"
+        "sha": "d42514033d982d153d8f78727f23f0b4d49ea629"
       }
     }
   ]